"Great news! open tomorrow (Sat) 9am-1 pm bring drivers licenses and birth certificates or passports for marriage license - south entrance," was tweeted from Brown's account just before 11 p.m.

Brown's announcement follows reports Friday night that clerk's in Washtenaw and Muskegon county will issue marriage licenses Saturday, typically a week day their offices are closed. Their decision comes after a federal judge in Detroit ruled Michigan's gay marriage ban is unconstitutional.

Several county clerks across the state have said they will grant marriage licenses to gay couples starting Monday morning at 8 a.m., but some are worried a court will issue a stay on Judge Bernard Friedman's ruling. The stay would prevent gay marriages pending the state's appeal of the ruling.